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By: Barbour, R. James. - Pacific Northwest Research Station (Portland, Or.)Edition:Publication info: Portland, OR, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2003]Volume: no.543Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Fight, Roger D. - Barbour, R. James. - Pacific Northwest Research Station (Portland, Or.)Edition:Publication info: Portland, OR, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2006]Volume: no. 555Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Stevens, James A. - Barbour, R. James. - Pacific Northwest Research Station (Portland, Or.)Edition:Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2000]Volume: no.528Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Nagubadi, Rao V. - Fight, Roger D. - Barbour, R. James. - Pacific Northwest Research Station (Portland, Or.)Edition:Publication info: Portland, OR, U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [2003]Volume: no.541Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections:
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By: Kiviat, Erik - Barbour, R. James.Type: ArticleIn: The Canadian field-naturalistVolume: 110Series:Issue: 2Date: 1996Page Range: 341--343Publication Info: Ottawa Ottawa Field-Naturalists' ClubSubjects: